package test3;

// 多个线程同时操作同一个对象
// 买火车票的例子

//发现问题:多个线程操作同一个资源的情况下,线程不安全，数据紊乱.
public class TestThread4 implements Runnable {
    //票数
    private int ticketNums = 10;

    @Override
    public synchronized void run() {
        while (true) {
            if (ticketNums <= 0) {
                break;
            }
            //模拟延时
            try {
                Thread.sleep(200);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            //Thread.currentThread().getName() 当前线程名称
            System.out.println(Thread.currentThread().getName() + "-->get" + ticketNums);
            ticketNums--;
        }
    }

    public static void main(String[] args) {
        TestThread4 ticket = new TestThread4();
        new Thread(ticket, "aaa").start();
        new Thread(ticket, "bbb").start();
        new Thread(ticket, "ccc").start();

    }
}